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A Study on Properties of Partial Discharge in Silicone Rubber

실리콘 고무의 부분방전 특성에 관한 연구

  • Lee, Sung-Ill (Department of Safety Engineering, Chungju National University) ;
  • Kwon, Young-Cheon (Department of Safety Engineering, Chungju National University)
  • 이성일 (충주대학교 안전공학과) ;
  • 권영천 (충주대학교 안전공학과)
  • Received : 2011.08.22
  • Accepted : 2011.09.28
  • Published : 2011.11.01

Abstract

In this thesis, the silicone filler with a sample size of 0~75 phr and void size of 2~4.5 mm is prepared in order to diagnose the defect of void which exists in widely used insulation material, silicone rubber. In this silicone rubber sample, electrodes are connected and whilst the voltage changes, applied voltage 7 kV~9 kV is increased constantly over time and discharge quantity, discharge frequency and applied voltage (T-QNV) were measured. The discharge quantity of the applied voltage (VQ) is measured to estimate inception voltage and extinction voltage. In addition, under the condition of maintaining constant applied voltage, discharge quantity and discharge frequency (QN) are measured, and its characteristics are analyzed.

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